US Bridges

Ft Hall Main Cnl over Harvest Spg Blvd

Good

Bannock County, Idaho · In Chubbuck · Structure no. 000000000021918

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ft Hall Main Cnl over Harvest Spg Blvd is a concrete arch - deck carrying Ft Hall Main Cnl over Harvest Spg Blvd in Bannock County, Idaho. It was built in 2022, so it is 3 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 2,000 by 2042. The structure is 34 ft (10.4 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFt Hall Main Cnl
CrossesHarvest Spg Blvd
LocationIn Chubbuck
RouteCity Street 0
StateIdaho
Coordinates42.94594, -112.45225
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating56.1 US tons
Inventory rating45.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width100 ft (30.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic2,000 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ft Hall Main Cnl over Harvest Spg Blvd built?

It was built in 2022, making it 3 years old in 2025.

What condition is Ft Hall Main Cnl over Harvest Spg Blvd in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Ft Hall Main Cnl over Harvest Spg Blvd carry?

About 500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ft Hall Main Cnl over Harvest Spg Blvd?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 100 ft wide.

Who owns Ft Hall Main Cnl over Harvest Spg Blvd?

It is owned by the City or Municipal Highway Agency.